From 2062c80e21b657fed8e68aa48523fa12ad5ef095 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Thu, 9 Apr 2020 23:40:12 +0200
Subject: Allow ObjDefManager instances to be cloned

---
 src/nodedef.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/nodedef.cpp')

diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 37332c3c6..65199830f 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -1572,6 +1572,18 @@ NodeResolver::~NodeResolver()
 }
 
 
+void NodeResolver::cloneTo(NodeResolver *res) const
+{
+	FATAL_ERROR_IF(!m_resolve_done, "NodeResolver can only be cloned"
+		" after resolving has completed");
+	/* We don't actually do anything significant. Since the node resolving has
+	 * already completed, the class that called us will already have the
+	 * resolved IDs in its data structures (which it copies on its own) */
+	res->m_ndef = m_ndef;
+	res->m_resolve_done = true;
+}
+
+
 void NodeResolver::nodeResolveInternal()
 {
 	m_nodenames_idx   = 0;
-- 
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